So, if we want to think about what the first ionization energy is of boron, what you want to do is write out the electron configuration, because then you can think about where it is that the electron's coming out of.

如果我们要考虑,硼的第一电离能，你首先要做的是写出它的电子排布，因为在这之后,你才能知道拿走的是哪里的电子。

麻省理工公开课 - 化学原理课程节选

So I think that's the important way to know if MIT is where you want to be.

所以我觉得这是知道自己想不想去麻省理工一个重要的方式。

沟通很重要 - SpeakingMax英语口语达人

If you think so, what response do you want to offer to the objections that I'm giving?

如果你觉得有,你会如何驳斥,我的反对意见呢

耶鲁公开课 - 死亡课程节选

This says, if you want to be in the air for a long time, so you may think that 90 degrees is the best angle.

也就是说,如果你想在空中停留更久,你也许会认为 90°是最佳选择

耶鲁公开课 - 基础物理课程节选